/**
 * Copyright 2021 xpstem.com
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.xpstem.lelink.operation;

import com.xpstem.lelink.type.EV3Type;

import java.io.IOException;
import java.util.List;

/**
 * EV3 direct command operation base class.
 * @author billy zhang
 */
public class EV3Operation {

    private String descr;
    private EV3OperationPackage opPackage;
    private List<ReturnParam<? extends EV3Type>> returnParamList;

    public EV3Operation(EV3OperationPackage opPackage) {
        this.opPackage = opPackage;
    }

    public EV3Operation(EV3OperationPackage opPackage, String descr) {
        this.opPackage = opPackage;
        this.descr = descr;
    }

    public EV3Operation(EV3OperationPackage opPackage, List<ReturnParam<? extends EV3Type>> returnParamList) {
        this.opPackage = opPackage;
        this.returnParamList = returnParamList;
    }

    public EV3Operation(EV3OperationPackage opPackage, List<ReturnParam<? extends EV3Type>> returnParamList, String descr) {
        this.opPackage = opPackage;
        this.descr = descr;
        this.returnParamList = returnParamList;
    }

    public EV3OperationPackage getPayload() {
        return opPackage;
    }

    public List<ReturnParam<? extends EV3Type>> getReturnParamList() {
        return returnParamList;
    }

    public String description() {
        if (descr == null || descr.length() == 0) {
            return opPackage.getCode().toString();
        }

        return descr;
    }

}
